Constantine A. Balouris, MD
NPI 1851478531ActiveIndividual· Ophthalmology· Butler, PA
Ophthalmology (MD) in Butler, Pennsylvania, trained at University of Pittsburgh School of Medicine (class of 1988). In 2024 Medicare paid $200,185 for 643 patients, and Part D covered 5,396 of their prescriptions, 49% of them generic. Alcon Vision LLC was the largest of 3 companies reporting payments in 2025, $231.88 in all, mostly food and beverage.
Overview
| NPI | 1851478531 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 1, 2006 |
| Last updated in NPPES | Oct 7, 2026 |
| Certified by provider | Oct 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | MD043225L | PA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 643 |
|---|---|
| Services billed | 1,751 across 30 procedure codes |
| Paid by Medicare | $200,185 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,396 · 7,638 30-day fills |
|---|---|
| Patients | 1,312 |
| Total drug cost | $259,500 |
| Generic share | 49% of claims |
Education and affiliations
| Medical school | University of Pittsburgh School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Ophthalmology |
Medical group
- Balouris Eye Cener, PCButler, PA · 2 clinicians
Hospital affiliation
Industry payments (Open Payments)
- 2025$231.88 · 11 payments from 3 companies
- 2024$188.71 · 8 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $155.85 | 8 |
| Tarsus Pharmaceuticals, Inc. | $42.50 | 2 |
| Abbvie Inc. | $33.53 | 1 |
What the 2025 payments were for
- Food and Beverage$231.88 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Ophthalmology providers in Butler
- 1679610521
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- 1437513959
- 1093824112